Dosing tools
Simple, exact calculators so you measure correctly. The maths runs in your browser — nothing you type here is sent to us or stored anywhere.
For adults (18+). Not medical advice. These tools only do arithmetic from the numbers you enter. They don't recommend whether, what, or how much to take. Test your products and respect dosing — when in doubt, speak to a doctor.
Work out how many units to draw on a U-100 insulin syringe (100 units = 1 ml) after mixing your vial with bacteriostatic water.
Typical: 5, 10, 15, 20, 30
How much you add to the vial
1 mg = 1000 µg
For a 250 µg dose, draw
5 units
= 0.05 ml · vial yields ~40 doses